session.Persist
2009/6/22 Niclas Pehrsson <[email protected]>
>
> Hi I have earlier posted here about I had the problem with saving an
> Parent Child scenario when the Id's already had been given to the
> Parent and Child during some circumstances.
>
> I have tried the Save method but it only tries to "Save" the top
> object in the object graph and not the children, there it seems like
> it try to use SaveOrUpdate method anyway and it gives me an
> StaleException, I would rather avoid using
>
> session.Save(rootObject);
> foreach(var child in rootObject.Childs)
> {
> session.Save(child);
> }
>
> My question is if I can get NHibernate to check with an select query
> before any new insert or update if there exist any row/object with the
> given Id and depending on the answer uses insert or update.
>
> I know this is an really ugly solution if you look at performance
> cause one insert gives one select and gives us N^2 selects but I like
> it more than using the code everywhere so I can save the rootObject
> more "atomic".
>
> Any other solutions are welcome.
>
> >
>
--
Fabio Maulo
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